Home / 288,795.56-433,085.48-99,202.12

Finding the Fourth Proportional to 288,795.56, 433,085.48 and 99,202.12

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Solution

The fourth proportional to 288,795.56, 433,085.48 and 99,202.12 is: 148,766.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,795.56 : 433,085.48 = 99,202.12 : x
  2. Step 2: Convert to fraction form
    288,795.56/433,085.48 = 99,202.12/x
  3. Step 3: Cross multiply
    288,795.56x = 433,085.48 × 99,202.12
  4. Step 4: Simplify right side
    288,795.56x = 42,962,997,757.22
  5. Step 5: Solve for x
    x = 42,962,997,757.22/288,795.56
  6. Step 6: Final answer
    x = 148,766.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.